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Off-body UWB Channel Characterisation within a Hospital Ward Environment

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Catherwood, P and Scanlon, W (2010) Off-body UWB Channel Characterisation within a Hospital Ward Environment. International. Journal on Ultra Wideband Communications & Systems, 1 (4). pp. 263-272. [Journal article]

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URL: http://dx.doi.org/10.1504/IJUWBCS.2010.034307

DOI: 10.1504/IJUWBCS.2010.034307

Abstract

Received signal strength measurements and delay statistics are presented for both a stationary and mobile user equipped with a wearable UWB radio transmitter within a hospital environment. The measurements were made for both waist and chest mounted antennas using RF-over-fibre technology to eliminate any spurious electromagnetic scattering effects associated with metallic co-axial cables. The results show that received signal strength values were dependent on whether transmit and receive antennas had lineof sight and were also affected by body-shadowing and antenna-body position. For mobile conditions, received signal strength tended to be lognormally distributed with non line of sight links having significantly lower mean values. Excess time delay results for mobile user tests were best described by the Weibull distribution. Overall, the results favoured the chest mounted antenna position, with higher mean signal levels, reduced mean excess delay and less difference between line of sight and non line of sight channels.

Item Type:Journal article
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:16521
Deposited By:Mr Philip Catherwood
Deposited On:02 Dec 2010 15:45
Last Modified:02 Dec 2010 15:45

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